function getCookie(name) {
    var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
    return r ? r[1] : undefined;
}


$(function(){

    // 打开登录框
    $('.comment_form_logout').click(function () {
        $('.login_form_con').show();
    })

    // 收藏
    $(".collection").click(function () {
        var params = {
                    "news_id":$(this).attr("data-newid"),
                    "action":"collect"
        }
        $.ajax({
            url:"/news_collect",
            type:"post",
            contentType:"application/json",
            data:JSON.stringify(params),
            headers:{
                'X-CSRFToken':getCookie("csrf_token")
            },
            success:function(resp){
                if (resp.errno == "0") {
                    // 收藏成功
                    // 隐藏收藏按钮
                    $(".collection").hide();
                    // 显示取消收藏按钮
                    $(".collected").show();
                }else if (resp.errno == "4101"){
                    $('.login_form_con').show();
                }else{
                    alert(resp.errmsg);
                }
            }

        })
       
    })

    // 取消收藏
    $(".collected").click(function () {
        var params={
            "action":"cancel_collect",
            "news_id":$(".collected").attr("data-newid"),
        }
        $.ajax({
            url:"news_collect",
            type:"post",
            contentType:"application/json",
            data:JSON.stringify(params),
            headers:{"X-CSRFToken":getCookie("csrf_token")},
            success:function(resp){
                if (resp.errno=='0'){
                    $(".collection").show();
                    // 显示取消收藏按钮
                    $(".collected").hide();
                }else if (resp.errno=="4101") {
                    $('.login_form_con').show();
                }else
                    {alert(resp.errmsg)}
        }

        })

     
    })

        // 评论提交
    $(".comment_form").submit(function (e) {
        e.preventDefault();

        var news_id = $(this).attr('data-newsid')
        var news_comment = $('.comment_input').val()
        if (!news_comment){
            alert('请输入评论内容')
            return
        }
        var params = {
            'news_id':news_id,
            'comment':news_comment,
        }
        $.ajax({
            url:"/news_comment",
            type:"post",
            contentType:"application/json",
            data:JSON.stringify(params),
            headers:{
                'X-CSRFToken':getCookie('csrf_token')
            },
            success:function(resp){
                if (resp.errno == '0'){
                    var comment = resp.data
                    // 拼接内容
                    var comment_html = ''
                    comment_html += '<div class="comment_list">'
                    comment_html += '<div class="person_pic fl">'
                    if (comment.user.avatar_url) {
                        comment_html += '<img src="' + comment.user.avatar_url + '" alt="用户图标">'
                    }else {
                        comment_html += '<img src="../../static/news/images/person01.png" alt="用户图标">'
                    }
                    comment_html += '</div>'
                    comment_html += '<div class="user_name fl">' + comment.user.nick_name + '</div>'
                    comment_html += '<div class="comment_text fl">'
                    comment_html += comment.content
                    comment_html += '</div>'
                    comment_html += '<div class="comment_time fl">' + comment.create_time + '</div>'

                    comment_html += '<a href="javascript:;" class="comment_up fr" data-commentid="' + comment.id + '" data-newsid="' + comment.news_id + '">赞</a>'
                    comment_html += '<a href="javascript:;" class="comment_reply fr">回复</a>'
                    comment_html += '<form class="reply_form fl" data-commentid="' + comment.id + '" data-newsid="' + news_id + '">'
                    comment_html += '<textarea class="reply_input"></textarea>'
                    comment_html += '<input type="button" value="回复" class="reply_sub fr">'
                    comment_html += '<input type="reset" name="" value="取消" class="reply_cancel fr">'
                    comment_html += '</form>'

                    comment_html += '</div>'
                    // 拼接到内容的前面
                    $(".comment_list_con").prepend(comment_html)
                    // 让comment_sub 失去焦点
                    $('.comment_sub').blur();
                    // 清空输入框内容
                    $(".comment_input").val("")
                    updateCommentCount()
                }else{
                    alert(resp.errmsg)
                }
            }
        })


    })

    $('.comment_list_con').delegate('a,input','click',function(){

        var sHandler = $(this).prop('class');

        if(sHandler.indexOf('comment_reply')>=0)
        {
            $(this).next().toggle();
        }

        if(sHandler.indexOf('reply_cancel')>=0)
        {
            $(this).parent().toggle();
        }

        if(sHandler.indexOf('comment_up')>=0)
        {
            var $this = $(this);
            if(sHandler.indexOf('has_comment_up')>=0)
            {
                // 如果当前该评论已经是点赞状态，再次点击会进行到此代码块内，代表要取消点赞
                $this.removeClass('has_comment_up')
            }else {
                $this.addClass('has_comment_up')
            }
        }

        if(sHandler.indexOf('reply_sub')>=0)
        {
            alert('回复评论')
        }
    })

        // 关注当前新闻作者
    $(".focus").click(function () {

        var params={
            "action":"focus",
            "user_id":$(".focus").attr("data-userid"),
        }
        $.ajax({
            url:"user_focus",
            type:"post",
            contentType:"application/json",
            data:JSON.stringify(params),
            headers:{"X-CSRFToken":getCookie("csrf_token")},
            success:function(resp){
                if (resp.errno=='0'){
                    $(".focused").show();
                    // 显示取消收藏按钮
                    $(".focus").hide();
                    location.reload()
                }else if (resp.errno=="4101") {
                    $('.login_form_con').show();
                }else
                    {alert(resp.errmsg)}
        }

        })


    })

    // 取消关注当前新闻作者
    $(".focused").click(function () {


        var params={
            "action":"cancel_focus",
            "user_id":$(".focused").attr("data-userid"),
        }
        $.ajax({
            url:"user_focus",
            type:"post",
            contentType:"application/json",
            data:JSON.stringify(params),
            headers:{"X-CSRFToken":getCookie("csrf_token")},
            success:function(resp){
                if (resp.errno=='0'){
                    $(".focus").show();
                    // 显示取消收藏按钮
                    $(".focused").hide();
                    location.reload()
                }else if (resp.errno=="4101") {
                    $('.login_form_con').show();
                }else
                    {alert(resp.errmsg)}
        }

        })


    })
})